<template>
    <div>
         <!-- 面包屑导航区域 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!-- 卡片视图区域 -->
      <el-card>
          <!-- 搜索/添加商品区域 -->
          <el-row :gutter="20">
              <el-col :span="8">
                   <el-input placeholder="请输入内容" v-model="queryInfo.query" @clear="getGoodsList" clearable>
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
              </el-col>
              <el-col :span="4">
                  <el-button type="primary" @click="goAddpage">添加商品</el-button>
              </el-col>
          </el-row>

          <!-- table表格区域 -->
        <el-table :data="goodslist" border stripe>
            <el-table-column type="index">
            </el-table-column>
            <el-table-column prop="goods_name" label="商品名称">
            </el-table-column>
            <el-table-column prop="goods_price" label="商品价格" width="95px">
            </el-table-column>
            <el-table-column prop="goods_weight" label="商品重量" width="70px">
            </el-table-column>
            <el-table-column prop="add_time" label="创建时间" width="140px">
                <template slot-scope="scope">
                    {{scope.row.add_time|dateFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作" width="130px">
                <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 分页区域 -->
        <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>

      </el-card>
    </div>
</template>
<script>
export default {
    data() {
        return {
            // 请求参数
            queryInfo:{
                query:'',
                // 当前页码值
                pagenum:1,
                // 每页显示条数
                pagesize:10
            },
            // 商品列表
            goodslist:[],
            // 总商品条数
            total:0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        // 获取商品列表
        async getGoodsList(){
            const { data:res } = await this.$http.get('goods',{
                params:this.queryInfo
            })
            if(res.meta.status!==200){
                this.$message.error('获取商品列表失败')
            }
            this.$message.success('获取商品列表成功')
            this.goodslist=res.data.goods
            this.total=res.data.total
            console.log(res.data);
        },
        // 获取当前显示条数
        handleSizeChange(newSize){
            this.queryInfo.pagesize=newSize
            this.getGoodsList()
        },
        // 获取当前页码值
        handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getGoodsList()
        },
        // 通过ID删除商品
        async removeById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err=>err)

            if(confirmResult!=='confirm'){
                return this.$message.info('已经取消删除')
            }

            const {data:res} = await this.$http.delete(`goods/${id}`)
            if(res.meta.status!==200){
                return this.$message.error('删除商品失败')
            }
            this.$message.success('删除商品成功')
            this.getGoodsList()
        },
        // 点击按钮 跳转到添加商品页面
        goAddpage(){
            this.$router.push('/goods/add')
        }
    },
}
</script>
<style lang="less" scoped>
    
</style>